Power Horns!

mithun · 27th April 2009, 10:45

Which is the best brand when it comes to horn relays ? Bosch/Roots/others...

Please include prices also

Wolffe · 27th April 2009, 13:05

Quote:

Originally Posted by amit_mechengg

ooh no!! just the other day i said that my stebel nautilus is still going strong even after a year and half and goshhhhhhh , it went down today while returning from matheran.

I was using the Stebel Nautilus for the last 1 year without fuse or relay-simply connected it to the OE wiring-horn worked wonderful-everyday! 2 days ago,decided to install a switch between OE n Stebel and a relay-got it done.The "horn specialist" removed the Stebel to add oil in the compressor-he fiited it back and the sound has reduced drastically.He said once used for a day should work just fine-no it doesnt.
Went through the other thread on Stebel not working and will try cleaning as suggested today.

Wolffe · 27th April 2009, 13:17

Quote:

Originally Posted by Cyberpirate

hey guys can you give me the contact no. of the dealers from GP road, who have this horn. i was thinking of installing one by the end of this week.

I have PMed you the details.

RJ555 · 27th April 2009, 16:08

Quote:

Originally Posted by Cyberpirate

hey guys can you give me the contact no. of the dealers from GP road, who have this horn. i was thinking of installing one by the end of this week.

cyber pirate--- u can get stebel in sriram accessory shop,victory automobiles, garuda agencies & few other shops deal with it. 1st 2 sahops are genuine as far i have experienced...

live2drive · 27th April 2009, 18:31

Quote:

Originally Posted by ankitahuja

"Because a relay is able to control an output circuit of higher power than the input circuit, it can be considered to be, in a broad sense, a form of an electrical amplifier".

Source: Relay - Wikipedia, the free encyclopedia

Abhinav, a relay is necessary to protect the circuitry of the product, not only as for amplification (read neutralization) but in simpler terms, to regulate the flow of power/current to the horn, which in any case, can also be to protect high current passed to the horns (which can cause damage).

Hope this helps!

Ankit what i mean to say is that the horn circuit is completely isolated from the OEM wiring(seperate switch, wiring and fuse). And a battery can only supply the designated amperes of current which the battery is rated at. How can a relay extract more current from a battery, more than its rated current? I may be wrong or i need to study the working of relays.

And to check high current passed to the horns, ive already added a fuse.

Quote:

Originally Posted by janitha

The relay is used since the switch in the steering or your separate switch will not have the power handling capacity for the horns. (in amperes)

Please care to elaborate. Dont think this is a valid logic.

janitha · 27th April 2009, 18:55

Quote:

Originally Posted by live2drive

Please care to elaborate. Dont think this is a valid logic.

Try to read and understand the following link, if you can!
Relay - Wikipedia, the free encyclopedia

greenhorn · 27th April 2009, 18:58

Quote:

Originally Posted by live2drive

Please care to elaborate. Dont think this is a valid logic.

I dont think it can be made any simpler than the way janitha put it.

the switch is merely a selector, as to which horn to use. when you press the pad on your steering to activate the stock horn, it completes the circuit and applies a voltage which causes X amperes to flow through the stock wiring onto the stock horn.

If you change the position of the switch, the voltage, instead of being applied to the stock horn, will be applied to the new horn. this horn will usually draw more current than the stock horn, but if more than X amperes of current are drawn through the stock switch and wiring, they will not last long.

so a relay is used. when the voltage is applied to the relay, the relay draws a very little amount of current to operate an internal switch which is connected directly via the fuse to the battery, so now instead of being limited by the X amperes or current the xtock switch and wiring can supply, you can draw a lot more current ( limited by the relay and the fuse)

you claim you have wired the horn directly to the battery. How do use the horn? by pressing this other switch, or by using the horn pad on the steering ? If you are using the steering to honk, there is no way you can wire up the horn to the battery without using a relay.

RJ555 · 27th April 2009, 19:05

Quote:

Originally Posted by janitha

Try to read and understand the following link, if you can!
Relay - Wikipedia, the free encyclopedia

useful reference...
but one thing i dont understand, inspite of fitting the relay as well as direct battery mains for my stebel nautilus horns the fuse gets blown nor sometimes it sans working as well as resume its duty...

live2drive · 27th April 2009, 20:28

Quote:

Originally Posted by greenhorn

you claim you have wired the horn directly to the battery. How do use the horn? by pressing this other switch, or by using the horn pad on the steering ? If you are using the steering to honk, there is no way you can wire up the horn to the battery without using a relay.

Sir, please read my previous posts carefully. I have clearly mentioned that i have installed a seperate switch and seperate wiring.

The switch is a push type switch installed in the dash and i have used finolex 4mmsq cable.
And i know that one cannot wire up Nautilius without a relay, if using the steering to honk. This was also mentioned in one of my previous posts.

From my previous post:

Quote:

No, i havent installed it. Actually i dont get why a relay is needed if we have seperate switch and seperate wiring from the battery with a fuse installed.
A relay can't amplify the battery's power. Hope you guys get what i mean.
On the other hand i agree relay is a must if you are installing the toggle switch between the OEM horn and the Nautilius where oem wiring comes into play. But if we have a seperate circuit (fuse protected) then what is the need of seperate relay?? Gurus please enlighten.

greenhorn · 27th April 2009, 20:31

ah. you never clarified what the switch was for. most people use a switch to toggle between the stock and aftermarket horns.

if you press the switch to honk, then you dont need a relay - which was what I mentioned in my earlier post as well. I guess its just a, "miscommunication"

live2drive · 27th April 2009, 20:34

Quote:

Originally Posted by greenhorn

if you press the switch to honk, then you dont need a relay - which was what I mentioned in my earlier post as well.

Yes, that is what i wanted to confirm.

Quote:

I guess its just a, "miscommunication"

janitha · 27th April 2009, 20:58

Quote:

Originally Posted by live2drive

Sir, please read my previous posts carefully. I have clearly mentioned that i have installed a seperate switch and seperate wiring.

The switch is a push type switch installed in the dash and i have used finolex 4mmsq cable.
And i know that one cannot wire up Nautilius without a relay, if using the steering to honk. This was also mentioned in one of my previous posts.

From my previous post:

The question is whether the push switch is rated to carry the current required by the horns. Most probably not. And arcing due to heavy current will damage contacts of the switch. And it is for avoiding such a situation that relays are used.

live2drive · 27th April 2009, 21:01

Quote:

Originally Posted by janitha

The question is whether the push switch is rated to carry the current required by the horns. Most probably not. And arcing due to heavy current will damage contacts of the switch. And it is for avoiding such a situation that relays are used.

The push switch which i have installed is rated to handle 50amperes of current. And it is a solidly built good quality switch. Not those third grade plastic stuff.
And ive been using the horn now for over a month, quite regularly. No issues with the switch so far.

janitha · 27th April 2009, 21:12

Quote:

Originally Posted by live2drive

The push switch which i have installed is rated to handle 50amperes of current. And it is a solidly built good quality switch. Not those third grade plastic stuff.
And ive been using the horn now for over a month, quite regularly. No issues with the switch so far.

If so, there should not be any problem I feel. Never thought 50A rated push switches were available.

ImmortalZ · 27th April 2009, 21:13

The dudes at Honda threw away (into my trunk) the plastic shelled relay that came with the Nautilus. They used a solid metal 3inch wide one in it's place. It looks, feels, and sounds like the relays from old Ambys.

I dropped the bundled one on the floor and it came apart. Looked quite puny, to be honest.

27th April 2009, 10:45	#616
mithun BANNED Join Date: Jan 2006 Location: Cochin Posts: 2,195 Thanked: 268 Times	Which is the best brand when it comes to horn relays ? Bosch/Roots/others... Please include prices also
	() Thanks

27th April 2009, 20:31	#625
greenhorn BANNED Join Date: Apr 2007 Location: KL-01 Posts: 7,878 Thanked: 4,910 Times View My Garage	ah. you never clarified what the switch was for. most people use a switch to toggle between the stock and aftermarket horns. if you press the switch to honk, then you dont need a relay - which was what I mentioned in my earlier post as well. I guess its just a, "miscommunication"
	() Thanks

27th April 2009, 21:13	#630
ImmortalZ Senior - BHPian Join Date: Jan 2008 Location: Trivandrum Posts: 2,195 Thanked: 601 Times View My Garage	The dudes at Honda threw away (into my trunk) the plastic shelled relay that came with the Nautilus. They used a solid metal 3inch wide one in it's place. It looks, feels, and sounds like the relays from old Ambys. I dropped the bundled one on the floor and it came apart. Looked quite puny, to be honest.
	() Thanks